TY  - BOOK
AU  - Birkhoff, Garrett 
AU  - Rota, Gian-Carlo
TI  - Ordinary differential equations
SN  - 9780471860037
U1  - 515.35 
PY  - 2003///
CY  - New York
PB  - Wiley
KW  - Differential equations
N1  - First-order of differential equations --
Second-order linear equations --
Linear equations with constant coefficients --
Power series solutions --
Plane autonomous systems --
Existence and uniqueness theorems --
Approximate solutions --
Efficient numerical integration --
Regular singular points --
Sturm-Liouville systems --
Expansions in eigenfunctions
ER  -